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24/09/2020 4:12 pm
Topic starter
Assertion: DNA is associated with proteins.
Reason: DNA binds around histone proteins that form a pool and the entire structure is called a nucleosome.
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
(b) If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.
(c) If Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.
1 Answer
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24/09/2020 4:15 pm
(a) If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Explanation:
A chain of DNA has 140 base pairs, make 1 3/4 turns and twist around a histone octamer forming nucleosome. The core of nucleosome consists of 4 histones H2A, H2B, H3 and H4.